3455665873 has 4 divisors (see below), whose sum is σ = 3769817328. Its totient is φ = 3141514420.

The previous prime is 3455665861. The next prime is 3455665877. The reversal of 3455665873 is 3785665543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-3455665873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3455665873.

It is not an unprimeable number, because it can be changed into a prime (3455665877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157075711 + ... + 157075732.

It is an arithmetic number, because the mean of its divisors is an integer number (942454332).

Almost surely, 2^3455665873 is an apocalyptic number.

It is an amenable number.

3455665873 is a deficient number, since it is larger than the sum of its proper divisors (314151455).

3455665873 is a wasteful number, since it uses less digits than its factorization.

3455665873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314151454.

The product of its digits is 9072000, while the sum is 52.

The square root of 3455665873 is about 58784.9119502615. The cubic root of 3455665873 is about 1511.8565345026.

The spelling of 3455665873 in words is "three billion, four hundred fifty-five million, six hundred sixty-five thousand, eight hundred seventy-three".